Evidence supporting the use of: Bioflavonoid
For the health condition: Bruises (prevention)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Bioflavonoids, also known as flavonoids, are a group of plant compounds found in citrus fruits and other foods. They have been studied for their potential role in supporting capillary strength and vascular health. The use of bioflavonoids for the prevention and treatment of bruises is based on their purported ability to reduce capillary fragility and permeability, thus potentially minimizing bleeding under the skin that causes bruising.

Several small clinical studies and observational reports have suggested that certain bioflavonoids, particularly a subtype called "rutosides" (found in products like diosmin and hesperidin), can reduce symptoms associated with capillary fragility, such as easy bruising and petechiae. For example, a few controlled trials from the mid-20th century and later have shown that supplementation with bioflavonoids can decrease the frequency and severity of bruising in individuals with chronic venous insufficiency or capillary fragility, especially when combined with vitamin C. However, these studies are generally small, and methodological limitations (such as lack of blinding or placebo control) reduce the overall strength of the evidence. Systematic reviews acknowledge a possible benefit but note a need for larger, high-quality trials.

In summary, there is some scientific evidence supporting the use of bioflavonoids for bruise prevention, particularly in individuals with underlying capillary fragility. However, the quality and quantity of evidence are limited, so the rating remains modest.

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